Tube cutter



FIG. 1 is a top, front, and left-side elevational view of a tube cutter showing my new design;

FIG. 2 is a left side elevational view;

FIG. 3 is a rear elevational view;

FIG. 4 is a top plan view;

FIG. 5 is a bottom plan view;

FIG. 6 is a right side elevational view; and,

FIG. 7 is a rear elevation a view thereof. 

The ornamental design for a tube cutter, as shown and described. 